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Monessen Hearth 36CDVXTRN manual

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Table of contents for the manual

  • Page 1

    Installation Instructions and Homeowner ’ s Manual 20012253 10/09 Rev . 7 Builder Direct V ent Models: 36CDVXRRN (Rear V ent) 36CDVXTRN (T op V ent) DO NOT ST ORE OR USE GASOLINE OR OTHER FLAMMABLE V APORS AND LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE. WHA T TO DO IF YOU SMELL GAS: • Do not try to light any appliance. • Do not to[...]

  • Page 2

    2 CDVX Series Direct Vent Gas Fireplace 20012253 PLEASE READ THE INST ALLA TION & OPERA TING INSTRUCTIONS BEFORE USING APPLIANCE. Thank you and congratulations on your purchase of a MHSC fireplace. IMPORT ANT : Read all instructions and warnings carefully before starting installation. Failure to follow these instructions fully may result in a p[...]

  • Page 3

    3 CDVX Series Direct Vent Gas Fireplace 20012253 This gas appliance should be installed by a qualified installer , preferably NFI or WETT (Canada) certified, in accordance with local building codes and with current CSA-B149.1 Installation codes for Gas Burning Appliances and Equipment. For USA Installations follow local codes and/or the current Nat[...]

  • Page 4

    4 CDVX Series Direct Vent Gas Fireplace 20012253 Requirements for the Commonwealth of Massachusetts All gas fitting and installation of this heater shall only be done by a licensed gas fitter or licensed plumber . For all side wall horizontally vented gas fueled equipment installed in every dwelling, building or structure used in whole or in part f[...]

  • Page 5

    5 CDVX Series Direct Vent Gas Fireplace 20012253 7  6  ” (187 mm) 16 6 ” (422 mm) 36 56M ” (921 mm) Minimum Rough Opening Width Minimum Rough Opening Height Minimum Rough Opening Depth *48 56M ” (1226 mm) **41 6 ” (1051 mm) *68 56M ” (1734 mm) **58 6 ” (1483 mm) 17 56 ” (435 mm) 25” (635 mm) 22” (559 m[...]

  • Page 6

    6 CDVX Series Direct Vent Gas Fireplace 20012253 7 6 ” (187 mm) 16 6 ” (422 mm) 36 56M ” (921 mm) Minimum Rough Opening Width Minimum Rough Opening Height Minimum Rough Opening Depth 41 6 ” (1051 mm) 58 6 ” (1483 mm) 17 56 ” (435 mm) 25” (635 mm) 21 56 ” (537 mm) 35 56M ” (895 mm) 35” (889 mm) 34 ?[...]

  • Page 7

    7 CDVX Series Direct Vent Gas Fireplace 20012253 T op of Unit to Ceiling ............................... 36” (914 mm) Front of Unit to Combustibles .................. 36” (914 mm) Appliance T op .......................................................... 0” (0 mm) Bottom ..................................................... 0” (0 mm) Side ..[...]

  • Page 8

    8 CDVX Series Direct Vent Gas Fireplace 20012253 A hearth is not mandatory but is recommended for aesthetic purposes. We recommend a noncombustible hearth which projects out 12” (305 mm) or more from the front of the fireplace. Cold climate installation recommendation: When installing this unit against a non-insulated exterior wall or chase, it i[...]

  • Page 9

    9 CDVX Series Direct Vent Gas Fireplace 20012253 Gas Specifications Max. Min. Inp ut Input Mo del Fuel Gas Control BTU/h BTU/h 36CD VXRRN Nat Milli volt 21, 000 14,700 36CDVXRR P* Prop Millivolt 21,0 0 0 1 5,750 36CDVXTRN Nat Millivolt 21,000 14,700 36CDVXTRP* Prop Millivolt 21,000 15,750 *Using conversion kit Installation 1. Carefully unwrap the r[...]

  • Page 10

    10 CDVX Series Direct Vent Gas Fireplace 20012253 The fireplace, when installed, must be electrically connected and grounded in accordance with local codes or , in the ab- sence of local codes, with the current CSA C22.1 Canadian Electrical Code. For USA installations follow local codes and the national electrical code ANSI/ NFP A No. 70. It is str[...]

  • Page 11

    1 1 CDVX Series Direct Vent Gas Fireplace 20012253 V V V V V V V X X X D E B B B C B M B A J K F L VENT TERMINA TION AIR SUPPL Y INLET AREA WHERE TERMINAL IS NOT PERMITTED H I Ýi` Ãi` Operable Operable Fixed Closed V B CFM145a DV T ermin Location 5/01/01 Rev . 12/05/01 sta INSIDE CORNER DET AIL V A G N N CFM145a General V enting In[...]

  • Page 12

    12 CDVX Series Direct Vent Gas Fireplace 20012253 General Information Assembling V ent Pipes Canadian Installations: V enting system must be installed in accordance with the current CSA-B149.1 installation code. USA Installations: The venting system must conform with local codes and/ or the current National Fuel Gas code ANSI Z223.1/ NFP A 54. Only[...]

  • Page 13

    13 CDVX Series Direct Vent Gas Fireplace 20012253 The vent chart should be read in conjunction with the following vent installation instructions to determine the relationship of the vertical and horizontal dimensions of the vent system. 1. Determine the height of the center of the horizontal vent pipe exiting through the outer wall. Using this dime[...]

  • Page 14

    14 CDVX Series Direct Vent Gas Fireplace 20012253 • Minimum clearances between vent pipe and com- bustible materials are as follows: T op - 1” (25 mm) Sides - 1” (25 mm) Bottom - 1” (25 mm) • The maximum horizontal distance between the end of the transition elbow in a corner application and the outside face of the rear wall is 20” (508 [...]

  • Page 15

    15 CDVX Series Direct Vent Gas Fireplace 20012253 FP1005 Side View V ent T ermination 1/25/00 djt 22” (559 mm) C L Finished W all Secure with Screw V ent T ermination Firestop FP1005a Fig. 19 Side view of final unit location. Rear W all V ent Installations - 45° Flex V ent Pipe Using Kit 7TCD45KT NOTE: The corner placement dimensions on Page 5, [...]

  • Page 16

    16 CDVX Series Direct Vent Gas Fireplace 20012253 &0 REARFLEXV ENT  Fig. 21 Bend flex pipe up 90° as close to fireplace as pos- sible. FP1604 &0 REARVIEWFLEXVEN T  Do Not Exceed 45° Bend Corner Framing T ermination FP1606 Fig. 22 Rear view of corner installation. &0?[...]

  • Page 17

    17 CDVX Series Direct Vent Gas Fireplace 20012253 needs to have an immediate rise before going hori- zontal. NOTE: Be careful not to distort the outer flex as this will affect the performance of the fireplace. 6. Secure the collar to the firestop by bending the tab out on the firestop and running a screw through the tab and collar . 7. From outside[...]

  • Page 18

    18 CDVX Series Direct Vent Gas Fireplace 20012253 1 2 3 4 1 + 2 + 3 + 4 = 270 o CFM132 Insert Rear V ent Sidewall 2/26/01 sta CFM132 Fig. 29 Maximum number of elbows. Example: Elbow 1 = 90‡ Elbow 2 = 45‡ Elbow 3 = 45‡ Elbow 4 = 90‡ T otal angular variation = 270‡ •IMPORT ANT• Minimum clearance between vent pipes and combustible materi[...]

  • Page 19

    19 CDVX Series Direct Vent Gas Fireplace 20012253 STEP 6 Support the horizontal pipes every 36” (914 mm) with metal pipe straps. Make sure that the horizontal vent pipe is installed on a level horizontal plane. STEP 7 Re-check the fireplace to make sure that it is levelled, properly positioned, and nailed or screwed to the floor . If applied, the[...]

  • Page 20

    20 CDVX Series Direct Vent Gas Fireplace 20012253 Do not back fill around snorkel. A clearance of at least 4” (102 mm) must be maintained between the snorkel and the soil. BG401 Snorkel 2/10/99 djt Foundation Recess Snorkel W all Screws Recess Brackets W atertight Seal Around Pipe Sheet Metal Screws BG401 Fig. 35 Snorkel installation, recessed fo[...]

  • Page 21

    21 CDVX Series Direct Vent Gas Fireplace 20012253 CFM100 Firestop-V ertical 09/20/00 1 1" 1 1" Joist Joist Firestop Spacer Nails (4) Upper Floor Attic Insulation Shield Ceiling Installation CFM100 Fig. 38 Place firestop spacer(s) and secure. If there is room above ceiling level, firestop spacer must be installed on both the bottom and the[...]

  • Page 22

    22 CDVX Series Direct Vent Gas Fireplace 20012253 How to Use the V ent Graph The vent chart should be read in conjunction with the following vent installation instructions to determine the relationship of the vertical and horizontal dimensions of the vent system. 1. Determine the height of the center of the horizontal vent pipe exiting through the [...]

  • Page 23

    23 CDVX Series Direct Vent Gas Fireplace 20012253 Since it is very important that the vent- ing system maintain its balance between the combustion air intake and the flue gas exhaust, certain limitations as to vent configurations apply and must be strictly adhered to. The vent graph showing the relationship between verti- cal and horizontal side wa[...]

  • Page 24

    24 CDVX Series Direct Vent Gas Fireplace 20012253 1 2 3 4 Example: Elbow 1 = 90° Elbow 2 = 45° Elbow 3 = 45° Elbow 4 = 90° T otal angular variation = 270° 1 + 2 + 3 + 4 = 270° FP1239 Fig. 48 Maximum number of elbow degrees. STEP 2 Place fireplace into position. (Fig. 49) Measure the verti- cal height (X) required from the base of the flue col[...]

  • Page 25

    25 CDVX Series Direct Vent Gas Fireplace 20012253 FP1242 Fig. 51 Through the wall. FP1243 Fig. 52 Apply high temperature sealant to collars or termina- tions. Below Grade Installations When it is not possible to meet the required vent ter- minal clearances of 12” (305 mm) above grade level a snorkel vent kit is recommended. It allows installation[...]

  • Page 26

    26 CDVX Series Direct Vent Gas Fireplace 20012253 BG402a T op V ent Below grade installation 1/26/00 djt Firestop 7” Pipe 7TDVSNORK (Snorkel) 4” (102mm) Clearance Min. Window Well Gravel Drain BG402 Fig. 53 Below grade installation. Zero Clearance Sleeve (if required) *A minimum of 24” (610mm) ver- tical pipe must be installed when using the [...]

  • Page 27

    27 CDVX Series Direct Vent Gas Fireplace 20012253 1 2 3 4 Max. 8' (2.4m) FP1245 through the roof 90 & 45 degree 12/02 1 + 2 + 3 + 4 = 270° FP1245 Fig. 56 T ypical offset application. CFM100 Firestop-V ertical 09/20/00 1 1" 1 1" Attic Insulation Shield Joist Ceiling In- stallation Joist Upper Floor Firestop Spacer Nails (4) CFM10[...]

  • Page 28

    28 CDVX Series Direct Vent Gas Fireplace 20012253 V enting Components 584G V enting Components Firestop spacer 2/25/99 djt 584H V enting components attic insulation shield 2/25/99 djt 584I vent components offset support 2/25/99 djt 584D V ent Components 90 degree elbow 2/25/99 djt 10/20/99 twist lock 584A venting components rear vent term 4/6/99 dj[...]

  • Page 29

    29 CDVX Series Direct Vent Gas Fireplace 20012253 Only glass approved by MHSC should be used on this fireplace. The top louvre panel is removed by lifting the panel vertically and pulling it away from the appliance. (Fig. 61) The lower access door is removed in the same manner . • The use of any non-approved replacement glass will void all produc[...]

  • Page 30

    30 CDVX Series Direct Vent Gas Fireplace 20012253 , ' #$68LOGS  Logs The 36CDVX logs are shipped in place. If a log is broken, refer to the replacement parts list for a replace- ment. Figure 63 shows where the logs are secured to the fireplace. RN/RP & EN/EP Models For units equipped with “HI/LO” valves the flam[...]

  • Page 31

    31 CDVX Series Direct Vent Gas Fireplace 20012253 3. Open control access panel. 4. Push in gas control knob slightly and turn clock- wise to “OFF”. Do not force. 5. Close control access panel. 1. ST OP! Read the safety information above. 2. T urn off all electrical power to the fireplace. 3. For MN/MP/TN/TP appliances ONL Y , go on to Step 4. F[...]

  • Page 32

    32 CDVX Series Direct Vent Gas Fireplace 20012253 Lighting and Operating Instructions For Fireplaces equipped with SIT822 Gas V alve (EN or EP) A. This fireplace is equipped with an ignition device which automatically lights the pilot. DO NOT try to light the pilot by hand. B. BEFORE OPERA TING, smell all around the appliance area for gas. Be sure [...]

  • Page 33

    33 CDVX Series Direct Vent Gas Fireplace 20012253 W ARNING: BEFORE DOING ANY GAS CONTROL SERVICE WORK, REMOVE GLASS FRONT . SYMPTOM POSSIBLE CAUSES CORRECTIVE ACTION 1. Spark ignitor will not light A. Defective or misaligned Using a match, light pilot. If pilot lights, turn off electrode at pilot. pilot and push the red button again. If pilot will [...]

  • Page 34

    34 CDVX Series Direct Vent Gas Fireplace 20012253 The conversion of this appliance from one gas to another must be carried out by an authorized service provider . 1. Disconnect power to the unit and shut of f the gas sup- ply . 2. Remove window frame assembly . 3. Remove the lava rock and ember material. (Fig. 67) Fuel Conversion Instructions # /?[...]

  • Page 35

    35 CDVX Series Direct Vent Gas Fireplace 20012253 Fig. 74 Nova SIT820 Gas V alve. D E F FC108 SIT regulator conversion 10/03 O F F P I L O T O FC107 SIT820 valve conversion 10/03 A B C O F F P I L O T O FC107/108 V alve Regulator Conversion SIT 820 NOV A Gas Control V alve (Fig. 74) 1. Using a T orx T20 or slotted screwdriver , remove and save the [...]

  • Page 36

    36 CDVX Series Direct Vent Gas Fireplace 20012253 Burner and Burner Compartment It is important to keep the burner and the burner compartment clean. At least once per year the logs and lava rock/ember material should be removed and the burner compartment vacuumed and wiped out. Remove and refit the logs as per the instructions in this manual. Alway[...]

  • Page 37

    37 CDVX Series Direct Vent Gas Fireplace 20012253 MHSC reserves the right to make changes in design, materials, specifications, prices and discontinue colors and products at any time, without notice. CDVX 16 14a,b 13 20 2 6a,b 7 10 1 1 12 15 17 21 22 23 3 8 19 1a 1b 18 12253 CDVX parts 2/07 26 25 Ref. Description 36CDVX 1a. Log Rear Assy 20012251 1[...]

  • Page 38

    38 CDVX Series Direct Vent Gas Fireplace 20012253 CDVX (continued) 15. Flexible Gas Line w/ON/Off Shut-Of f V alve 20002500 16. Fan Assy (FK12 Option) ZA1 1 10 17. Electrical Cord (6 ft.) 51865 18. Door Assy 20010207 19. Frame Window 20010320 20. Clamp Frame Window 10000949 21. T op Louvre Assy 20010179 22. Bottom Louvre Assy 20010179 23. Grommet 2[...]

  • Page 39

    39 CDVX Series Direct Vent Gas Fireplace 20012253 FK12 This auxiliary fan system increases the efficiency of the circulation of the heating air . The FK12 Fan Assembly is a fixed speed fan system and does not allow for variable speed control. Specifications 1 15 V olts / 60 Hz / 56 W atts. Maintenance The fan itself does not require regular mainten[...]

  • Page 40

    40 CDVX Series Direct Vent Gas Fireplace 20012253[...]

  • Page 41

    41 CDVX Series Direct Vent Gas Fireplace 20012253[...]

  • Page 42

    42 CDVX Series Direct Vent Gas Fireplace 20012253[...]

  • Page 43

    43 CDVX Series Direct Vent Gas Fireplace 20012253 Lifetime W arranty The following components are warranted for life to the original owner , subject to proof of purchase: Firebox, Combus- tion Chamber , Heat Exchanger , Grate and Stainless Steel Burners. Five Y ear W arranty The following components are warranted for five (5) years to the original [...]

  • Page 44

    Efficiency Ratings Model EnerGuide Ratings Steady State (%) D.O.E. Fireplace Efficiency (%) Fan-OFF Fan-ON (AFUE%) 36CDVXRRN 66.9 76 76.5 63 36CDVXRRP 66.9 77 78 63 36CDVXTRN 57 76 76.5 63 36CDVXTRP 57 77 78 63 MHSC 149 Cleveland Drive • Paris, Kentucky 40361 www .mhsc.com[...]